NEC 1100111Brand NewIncludes 5 Year WarrantyThe NEC 1100111 is a 16-Channel VoIP Daughter Board that provides 16 VoIP channels. It is equipped with 8-conductor jacks and ferrite core and is required for IP telephones & IP trunks. This daughter board can be expanded up to 32 VoIP channels with the 16-Channel VoIP Resource License and installs in dedicated slot on CPU-B1 board.